[URL="http://api.tweetmeme.com/share?url=http://espn.go.com/nfl/story/_/id/7740025/rich-mckay-says-nfl-kickoff-tweak-reduced-concussions&service=bit.ly&source=espn"][IMG]http://api.tweetmeme.com/imagebutton.gif?url=http://espn.go.com/nfl/story/_/id/7740025/rich-mckay-says-nfl-kickoff-tweak-reduced-concussions[/IMG][/URL]Moving kickoffs up 5 yards last season did exactly what the NFL sought, reducing concussions.